For $1, you get 1 four number selection. BC Extra numbers are always lottery computer generated for you

You can play BC Extra up to 10 times on each ticket.

To play BC Extra, ask your retailer for a selection slip for the main game you wish to play. Complete your selection slip like you normally do. For an additional $1, you can add BC Extra to your ticket or tell your retailer you would like a "Lotto 649 Quick Pick with Extra" or "BC 49 Quick Pick with Extra" or "Lotto Max Quick Pick with Extra"